Exam 1z0-809 topic 1 question 38 discussion

Actual exam question from Oracle's 1z0-809

Question #: 38
Topic #: 1

Given the code fragment:
List<String> listVal = Arrays.asList("Joe", "Paul", "Alice", "Tom");
System.out.println (
// line n1
);
Which code fragment, when inserted at line n1, enables the code to print the count of string elements whose length is greater than three?

A. listVal.stream().filter(x -> x.length()>3).count()
B. listVal.stream().map(x -> x.length()>3).count()
C. listVal.stream().peek(x -> x.length()>3).count().get()
D. listVal.stream().filter(x -> x.length()>3).mapToInt(x -> x).count()

Show Suggested Answer

Suggested Answer: A 🗳️

by Destroyer at Jan. 2, 2020, 4:30 a.m.

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Destroyer

Highly Voted 4 years, 12 months ago

Answer is A

upvoted 8 times

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asdfjhfgjuaDCV

Most Recent 9 months, 3 weeks ago

A is the correct answer

upvoted 1 times

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steefaand

10 months, 3 weeks ago

Selected Answer: A

A is correct.

upvoted 1 times

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r1muka5

1 year, 10 months ago

Selected Answer: A

Correct answer is A.

upvoted 1 times

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WilsonKKerll

2 years, 9 months ago

Answer is A.

upvoted 3 times

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YasinGaber

2 years, 10 months ago

Answer is A and output is 2: List<String> listVal = Arrays.asList("Joe", "Paul", "Alice", "Tom"); System.out.println ( listVal.stream().filter(x -> x.length()>3).count() );

upvoted 1 times

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Innovation

4 years, 11 months ago

A, tested

upvoted 3 times

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